get-elements.html - mozsearch

<!DOCTYPE html>

<html>

<head>

<meta name='author' title='Google' href='http://www.google.com'>

<meta name='assert' content='getElement* API in document should not leak any node in shadow tree.'>

<link rel='help' href='https://w3c.github.io/webcomponents/spec/shadow/'>

<script src='/resources/testharness.js'></script>

<script src='/resources/testharnessreport.js'></script>

</head>

<body>

<!-- This template will be filled in '#doc', '#host-open', and '#host-closed' below -->

<template id='domtree-template'>

  <span id='foo'></span>

  <div class='bar'></div>

  <form name='baz'></form>

  <my-element></my-element>

</template>

<div id='doc'>

  <div id='host-open'></div>

  <div id='host-closed'></div>

</div>

</body>

<script>

'use strict';

function fillTemplate(root, prefix) {

    var tmpl = document.getElementById('domtree-template');

    root.appendChild(document.importNode(tmpl.content, true));

    for (var i = 0; i < root.childNodes.length; ++i) {

        var el = root.childNodes[i];

        if (el.nodeType != 1)

            continue;

        el.setAttribute('label', prefix + el.tagName.toLowerCase());

    root.appendChild(document.createElementNS('http://www.w3.org/2000/svg', 'linearGradient'));

// Construct subtree with 'doc-*' ids.

var doc = document.getElementById('doc');

fillTemplate(doc, 'doc-');

// Construct shadow subtree with 'shadow-*' ids.

var hostOpen = document.getElementById('host-open');

var shadowOpen = hostOpen.attachShadow({mode: 'open'});

fillTemplate(shadowOpen, 'shadow-open-');

var hostClosed = document.getElementById('host-closed');

var shadowClosed = hostClosed.attachShadow({mode: 'closed'});

fillTemplate(shadowClosed, 'shadow-closed-');

test(function() {

    // getElementById() (NonElementParentNode)

    assert_equals(document.querySelectorAll('#foo').length, 1);

    assert_equals(document.getElementById('foo').getAttribute('label'), 'doc-span');

    assert_equals(document.querySelector('#foo').getAttribute('label'), 'doc-span');

    assert_equals(doc.querySelectorAll('#foo').length, 1);

    assert_equals(doc.querySelector('#foo').getAttribute('label'), 'doc-span');

    assert_equals(hostOpen.querySelectorAll('#foo').length, 0);

    assert_equals(shadowOpen.querySelectorAll('#foo').length, 1);

    assert_equals(shadowOpen.getElementById('foo').getAttribute('label'), 'shadow-open-span');

    assert_equals(shadowOpen.querySelector('#foo').getAttribute('label'), 'shadow-open-span');

    assert_equals(hostClosed.querySelectorAll('#foo').length, 0);

    assert_equals(shadowClosed.querySelectorAll('#foo').length, 1);

    assert_equals(shadowClosed.getElementById('foo').getAttribute('label'), 'shadow-closed-span');

    assert_equals(shadowClosed.querySelector('#foo').getAttribute('label'), 'shadow-closed-span');

}, 'getElementsById() should not leak nodes in shadow tree');

test(function() {

    // getElementsByClassName() (Element, Document)

    assert_equals(document.getElementsByClassName('bar').length, 1);

    assert_equals(document.getElementsByClassName('bar')[0].getAttribute('label'), 'doc-div');

    assert_equals(document.getElementsByClassName('bar').length, 1);

    assert_equals(document.getElementsByClassName('bar')[0].getAttribute('label'), 'doc-div');

    assert_equals(document.querySelectorAll('.bar').length, 1);

    assert_equals(doc.querySelectorAll('.bar').length, 1);

    assert_equals(doc.getElementsByClassName('bar')[0].getAttribute('label'), 'doc-div');

    assert_equals(hostOpen.querySelectorAll('.bar').length, 0);

    assert_equals(shadowOpen.querySelectorAll('.bar').length, 1);

    assert_equals(shadowOpen.querySelectorAll('.bar')[0].getAttribute('label'), 'shadow-open-div');

    assert_equals(hostClosed.querySelectorAll('.bar').length, 0);

    assert_equals(shadowClosed.querySelectorAll('.bar').length, 1);

    assert_equals(shadowClosed.querySelectorAll('.bar')[0].getAttribute('label'), 'shadow-closed-div');

}, 'getElementsByClassName() should not leak nodes in shadow tree');

test(function() {

    // getElementsByName (Document)

    assert_equals(document.getElementsByName('baz').length, 1);

    assert_equals(document.getElementsByName('baz')[0].getAttribute('label'), 'doc-form');

    assert_equals(document.getElementsByName('baz').length, 1);

    assert_equals(document.getElementsByName('baz')[0].getAttribute('label'), 'doc-form');

    assert_equals(document.querySelectorAll('[name=baz]').length, 1);

    assert_equals(doc.querySelectorAll('[name=baz]').length, 1);

    assert_equals(hostOpen.querySelectorAll('[name=baz]').length, 0);

    assert_equals(shadowOpen.querySelectorAll('[name=baz]').length, 1);

    assert_equals(shadowOpen.querySelectorAll('[name=baz]')[0].getAttribute('label'), 'shadow-open-form');

    assert_equals(hostClosed.querySelectorAll('[name=baz]').length, 0);

    assert_equals(shadowClosed.querySelectorAll('[name=baz]').length, 1);

    assert_equals(shadowClosed.querySelectorAll('[name=baz]')[0].getAttribute('label'), 'shadow-closed-form');

}, 'getElementsByName() should not leak nodes in shadow tree');

test(function() {

    // getElementsByTagName (Element, Document)

    assert_equals(document.getElementsByTagName('my-element').length, 1);

    assert_equals(document.getElementsByTagName('my-element')[0].getAttribute('label'), 'doc-my-element');

    assert_equals(document.getElementsByTagName('my-element').length, 1);

    assert_equals(document.getElementsByTagName('my-element')[0].getAttribute('label'), 'doc-my-element');

    assert_equals(document.querySelectorAll('my-element').length, 1);

    assert_equals(doc.querySelectorAll('my-element').length, 1);

    assert_equals(doc.getElementsByTagName('my-element')[0].getAttribute('label'), 'doc-my-element');

    assert_equals(hostOpen.querySelectorAll('my-element').length, 0);

    // ShadowRoot isn't an Element, does not have getElementsByTagName().

    assert_equals(shadowOpen.querySelectorAll('my-element').length, 1);

    assert_equals(shadowOpen.querySelectorAll('my-element')[0].getAttribute('label'), 'shadow-open-my-element');

    assert_equals(hostClosed.querySelectorAll('my-element').length, 0);

    assert_equals(shadowClosed.querySelectorAll('my-element').length, 1);

    assert_equals(shadowClosed.querySelectorAll('my-element')[0].getAttribute('label'), 'shadow-closed-my-element');

}, 'getElementsByTagName() should not leak nodes in shadow tree');

test(function() {

    // getElementsByTagNameNS (Element, Document)

    assert_equals(document.getElementsByTagName('lineargradient').length, 0);

    assert_equals(document.getElementsByTagNameNS('*', 'lineargradient').length, 0);

    assert_equals(document.getElementsByTagNameNS('http://www.w3.org/2000/svg', 'lineargradient').length, 0);

    assert_equals(document.getElementsByTagNameNS('http://www.w3.org/1999/xhtml', 'lineargradient').length, 0);

    assert_equals(document.getElementsByTagName('linearGradient').length, 1);

    assert_equals(document.getElementsByTagNameNS('*', 'linearGradient').length, 1);

    assert_equals(document.getElementsByTagNameNS('http://www.w3.org/2000/svg', 'linearGradient').length, 1);

    assert_equals(document.getElementsByTagNameNS('http://www.w3.org/1999/xhtml', 'linearGradient').length, 0);

    assert_equals(doc.getElementsByTagName('lineargradient').length, 0);

    assert_equals(doc.getElementsByTagNameNS('*', 'lineargradient').length, 0);

    assert_equals(doc.getElementsByTagNameNS('http://www.w3.org/2000/svg', 'lineargradient').length, 0);

    assert_equals(doc.getElementsByTagNameNS('http://www.w3.org/1999/xhtml', 'lineargradient').length, 0);

    assert_equals(doc.getElementsByTagName('linearGradient').length, 1);

    assert_equals(doc.getElementsByTagNameNS('*', 'linearGradient').length, 1);

    assert_equals(doc.getElementsByTagNameNS('http://www.w3.org/2000/svg', 'linearGradient').length, 1);

    assert_equals(doc.getElementsByTagNameNS('http://www.w3.org/1999/xhtml', 'linearGradient').length, 0);

    assert_equals(hostOpen.getElementsByTagName('linearGradient').length, 0);

    assert_equals(hostOpen.getElementsByTagNameNS('*', 'linearGradient').length, 0);

    assert_equals(hostOpen.getElementsByTagNameNS('http://www.w3.org/2000/svg', 'linearGradient').length, 0);

    assert_equals(hostOpen.getElementsByTagNameNS('http://www.w3.org/1999/xhtml', 'linearGradient').length, 0);

    assert_equals(hostClosed.getElementsByTagName('linearGradient').length, 0);

    assert_equals(hostClosed.getElementsByTagNameNS('*', 'linearGradient').length, 0);

    assert_equals(hostClosed.getElementsByTagNameNS('http://www.w3.org/2000/svg', 'linearGradient').length, 0);

    assert_equals(hostClosed.getElementsByTagNameNS('http://www.w3.org/1999/xhtml', 'linearGradient').length, 0);

    // ShadowRoot isn't an Element, does not have getElementsByTagNameNS().

}, 'getElementsByTagNameNS() should not leak nodes in shadow tree');

</script>

</html>

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